National Senior Certificate (NSC) — Matric — Questions and Answers
Question 1: Choose the correctly punctuated sentence.
- Where are you going!
- Where are you going? (Correct answer)
- Where are you going.
- where are you going?
Correct answer: Where are you going?
A direct question must end with a question mark and begin with a capital letter.
Question 2: What is the basic structural and functional unit of all living organisms?
- The tissue
- The cell (Correct answer)
- The molecule
- The organ
Correct answer: The cell
The cell is the smallest unit that can carry out all the processes of life.
Question 3: What are the roots of the equation x^2 - 5x + 6 = 0?
- x = 2 and x = 3 (Correct answer)
- x = 1 and x = 6
- x = 5 and x = 6
- x = -2 and x = -3
Correct answer: x = 2 and x = 3
Factorise: (x - 2)(x - 3) = 0, so x = 2 or x = 3.
Question 4: In which financial statement would you find the net profit of a business?
- Debtors Ledger
- Cash Flow Statement
- Statement of Comprehensive Income (Income Statement) (Correct answer)
- Statement of Financial Position
Correct answer: Statement of Comprehensive Income (Income Statement)
Net profit is calculated in the Statement of Comprehensive Income (Income Statement) as income less expenses.
Question 5: Which type of economic activity involves providing services to consumers rather than producing goods?
- Tertiary sector (Correct answer)
- Extraction sector
- Secondary sector
- Primary sector
Correct answer: Tertiary sector
The tertiary sector covers service industries such as retail, banking, education, healthcare, and tourism that serve consumers directly.
Question 6: What is the term for the movement of people from rural areas to urban areas in search of better employment and services?
- Emigration
- Rural-urban migration (Correct answer)
- Counter-urbanisation
- Immigration
Correct answer: Rural-urban migration
Rural-urban migration describes the internal movement of people from the countryside to towns and cities, driven by economic and social pull factors.
Question 7: What is the process by which green plants make food using sunlight?
- Transpiration
- Respiration
- Digestion
- Photosynthesis (Correct answer)
Correct answer: Photosynthesis
Photosynthesis uses light energy to convert carbon dioxide and water into glucose and oxygen.
Question 8: Identify the figure of speech: 'The wind whispered through the trees.'
- Personification (Correct answer)
- Hyperbole
- Simile
- Metaphor
Correct answer: Personification
Giving the wind the human ability to 'whisper' is personification.
Question 9: Choose the antonym (opposite) of 'expand'.
- Grow
- Increase
- Contract (Correct answer)
- Stretch
Correct answer: Contract
'Contract' means to become smaller, the opposite of 'expand'.
Question 10: What term describes permanently frozen subsoil found in Arctic and sub-Arctic regions that remains frozen throughout the year?
- Glacier
- Ice sheet
- Permafrost (Correct answer)
- Tundra
Correct answer: Permafrost
Permafrost is a subsurface layer of soil or rock that remains at or below 0°C for at least two consecutive years, found in regions like Siberia and northern Canada.
Question 11: Convert 2.5 kilometres to metres.
- 25 m
- 2 500 m (Correct answer)
- 250 m
- 25 000 m
Correct answer: 2 500 m
1 km = 1 000 m, so 2.5 km = 2.5 × 1 000 = 2 500 m.
Question 12: Which quantity is a vector?
- Speed
- Distance
- Mass
- Velocity (Correct answer)
Correct answer: Velocity
Velocity has both magnitude and direction, making it a vector. Speed, distance and mass are scalars.
Question 13: In the reaction 2H₂ + O₂ → 2H₂O, what is the type of reaction?
- Decomposition
- Neutralisation
- Displacement
- Synthesis (combination) (Correct answer)
Correct answer: Synthesis (combination)
Two reactants combine to form a single product, which is a synthesis (combination) reaction.
Question 14: What is the primary chemical cause of ozone layer depletion in the stratosphere?
- Methane (CH₄)
- Carbon dioxide (CO₂)
- Chlorofluorocarbons (CFCs) (Correct answer)
- Nitrogen dioxide (NO₂)
Correct answer: Chlorofluorocarbons (CFCs)
CFCs release chlorine atoms when broken down by UV radiation in the stratosphere; each chlorine atom can destroy thousands of ozone molecules.
Question 15: A shop adds 15% VAT to a jacket priced at R400 (excluding VAT). What is the price including VAT?
- R460 (Correct answer)
- R415
- R440
- R600
Correct answer: R460
VAT = 15% of R400 = R60. Price including VAT = R400 + R60 = R460.
Question 16: The probability of an event is 0.35. What is the probability that the event does NOT occur?
- 0.70
- 0.35
- 0.50
- 0.65 (Correct answer)
Correct answer: 0.65
P(not A) = 1 - P(A) = 1 - 0.35 = 0.65.
Question 17: Which sector of the economy involves the extraction of raw natural resources such as mining, farming, and fishing?
- Primary sector (Correct answer)
- Secondary sector
- Quaternary sector
- Tertiary sector
Correct answer: Primary sector
The primary sector encompasses all activities that extract or harvest natural resources directly from the earth or sea.
Question 18: On a standard South African topographic map (1:50 000), what colour is conventionally used to represent water features such as rivers and dams?
- Blue (Correct answer)
- Brown
- Green
- Black
Correct answer: Blue
Blue is the internationally recognised cartographic convention for depicting water features, including rivers, lakes, dams, and the sea.
Question 19: Which of the following is a current liability?
- Land and buildings
- Creditors control (Correct answer)
- Fixed deposit
- Vehicles
Correct answer: Creditors control
Creditors control (trade creditors) is a current liability because it is normally settled within one year.
Question 20: Money the owner takes out of the business for personal use is recorded as:
- Loan
- Salary
- Drawings (Correct answer)
- Capital
Correct answer: Drawings
Drawings represent assets withdrawn by the owner for personal use, which reduce owner's equity.
Question 21: On a 1:50 000 topographic map, two points are 4 cm apart. What is the actual ground distance between them?
- 500 m
- 2 km (Correct answer)
- 1 km
- 4 km
Correct answer: 2 km
Ground distance = map distance × scale denominator: 4 cm × 50 000 = 200 000 cm = 2 000 m = 2 km.
Question 22: What is the term for the flat, low-lying land on either side of a river that is periodically flooded and covered with deposited sediment?
- Delta
- Alluvial fan
- Flood plain (Correct answer)
- Estuary
Correct answer: Flood plain
A flood plain is formed by the deposition of fine sediment during river flooding, creating fertile, flat land alongside the river channel.
Question 23: Which organelle is known as the powerhouse of the cell?
- Ribosome
- Nucleus
- Golgi body
- Mitochondrion (Correct answer)
Correct answer: Mitochondrion
The mitochondrion produces ATP through cellular respiration, providing energy for the cell.
Question 24: What is the basic accounting equation?
- Profit = Assets - Capital
- Assets = Income - Expenses
- Assets = Owner's Equity + Liabilities (Correct answer)
- Capital = Assets + Liabilities
Correct answer: Assets = Owner's Equity + Liabilities
The accounting equation states that Assets = Owner's Equity + Liabilities, and it must always balance.
Question 25: DNA carries the genetic code. What are the four bases of DNA?
- A, T, C and U
- A, T, G and C (Correct answer)
- T, U, G and C
- A, U, G and C
Correct answer: A, T, G and C
DNA bases are adenine (A), thymine (T), guanine (G) and cytosine (C). Uracil replaces thymine only in RNA.
Question 26: A taxi charges a flat fee of R12 plus R3 per kilometre. What does a 10 km trip cost?
- R48
- R30
- R42 (Correct answer)
- R36
Correct answer: R42
Cost = R12 + (R3 × 10) = R12 + R30 = R42.
Question 27: Choose the correct word: 'The learners _____ writing their final examination next week.'
- be
- is
- was
- are (Correct answer)
Correct answer: are
'Learners' is plural, so it takes the plural verb 'are'.
Question 28: Which gas is taken in by humans during breathing and used in cellular respiration?
- Carbon dioxide
- Hydrogen
- Oxygen (Correct answer)
- Nitrogen
Correct answer: Oxygen
Oxygen is taken in and used to release energy from glucose during aerobic cellular respiration.
Question 29: What type of bond forms between a metal and a non-metal through the transfer of electrons?
- Hydrogen bond
- Covalent bond
- Ionic bond (Correct answer)
- Metallic bond
Correct answer: Ionic bond
Ionic bonds form when electrons transfer from a metal to a non-metal, creating oppositely charged ions that attract.
Question 30: What is the process called where heated air near the Earth's surface rises, cools, and sinks again, driving weather patterns?
- Convection (Correct answer)
- Radiation
- Condensation
- Conduction
Correct answer: Convection
Convection is the transfer of heat through the movement of a fluid (air), where warm air rises and cooler air sinks, creating convection currents that drive weather.
Question 31: What is the contour interval on a map?
- The steepness of a slope
- The fixed difference in elevation between consecutive contour lines (Correct answer)
- The distance between two points on a map
- The ratio between map distance and ground distance
Correct answer: The fixed difference in elevation between consecutive contour lines
The contour interval is the constant difference in height between two adjacent contour lines, determined by the map's scale and purpose.
Question 32: Which of the following is a direct consequence of deforestation?
- Increased soil erosion by wind and water (Correct answer)
- Increased rainfall in the region
- Decreased levels of carbon dioxide
- Increased biodiversity in the area
Correct answer: Increased soil erosion by wind and water
Without tree roots binding the soil, deforested land is highly vulnerable to erosion by rain and wind, leading to soil degradation and sedimentation of rivers.
Question 33: In the arithmetic sequence 7; 11; 15; 19; ... what is the value of the 20th term?
- 79
- 91
- 87
- 83 (Correct answer)
Correct answer: 83
The first term a = 7 and common difference d = 4. Tn = a + (n-1)d, so T20 = 7 + 19(4) = 7 + 76 = 83.
Question 34: Which cloud type is characterised by its towering, anvil-shaped structure and is associated with thunderstorms and heavy rainfall?
- Stratus
- Cumulus
- Cumulonimbus (Correct answer)
- Cirrus
Correct answer: Cumulonimbus
Cumulonimbus clouds extend to great heights in the troposphere and produce thunder, lightning, heavy rain, and sometimes hail.
Question 35: An object of mass 5 kg accelerates at 2 m·s⁻². What is the net force acting on it?
- 3 N
- 7 N
- 2.5 N
- 10 N (Correct answer)
Correct answer: 10 N
Newton's second law: F = ma = 5 × 2 = 10 N.
Question 36: If f(x) = 2x^2 - 3x + 1, what is f(-2)?
- 15 (Correct answer)
- 11
- -1
- 3
Correct answer: 15
f(-2) = 2(-2)^2 - 3(-2) + 1 = 2(4) + 6 + 1 = 8 + 6 + 1 = 15.
Question 37: What concept describes development that meets the needs of the present generation without compromising the ability of future generations to meet their own needs?
- Sustainable development (Correct answer)
- Environmental impact assessment
- Conservation
- Preservation
Correct answer: Sustainable development
Sustainable development, defined in the 1987 Brundtland Report, balances economic growth, social equity, and environmental protection for long-term well-being.
Question 38: If trading stock costing R5 000 is sold for R8 000, what is the gross profit?
- R13 000
- R8 000
- R5 000
- R3 000 (Correct answer)
Correct answer: R3 000
Gross profit = sales - cost of sales = R8 000 - R5 000 = R3 000.
Question 39: In humans, which blood vessels carry blood away from the heart?
- Veins
- Capillaries
- Arteries (Correct answer)
- Venules
Correct answer: Arteries
Arteries carry blood away from the heart, usually under high pressure. Veins return blood to the heart.
Question 40: A recipe for 4 people uses 600 g of flour. How much flour is needed for 6 people?
- 750 g
- 800 g
- 1 200 g
- 900 g (Correct answer)
Correct answer: 900 g
Flour per person = 600 ÷ 4 = 150 g. For 6 people: 150 × 6 = 900 g.
Question 41: A rectangular garden is 8 m long and 5 m wide. What is its area?
- 40 m² (Correct answer)
- 13 m²
- 26 m²
- 80 m²
Correct answer: 40 m²
Area of a rectangle = length × width = 8 × 5 = 40 m².
Question 42: South Africa's most populous metropolitan area, which forms the economic heartland of the country, is located in which province?
- KwaZulu-Natal
- Gauteng (Correct answer)
- Western Cape
- Eastern Cape
Correct answer: Gauteng
Gauteng, containing Johannesburg and Ekurhuleni, is South Africa's most densely populated province and its economic centre.
Question 43: Which of the following is the chemical formula for water?
- H₂O (Correct answer)
- H₂O₂
- OH
- CO₂
Correct answer: H₂O
Water consists of two hydrogen atoms and one oxygen atom, written as H₂O.
Question 44: In the sentence 'She read the article quickly', which word is the adverb?
- She
- quickly (Correct answer)
- article
- read
Correct answer: quickly
'Quickly' describes how she read, modifying the verb, so it is an adverb.
Question 45: Which type of weathering breaks rocks into smaller pieces WITHOUT changing their chemical composition?
- Chemical weathering
- Biological weathering
- Mechanical (physical) weathering (Correct answer)
- Carbonation
Correct answer: Mechanical (physical) weathering
Mechanical (physical) weathering, such as freeze-thaw action and exfoliation, disintegrates rocks without altering the minerals they are made of.
Question 46: Which word is a synonym for 'difficult'?
- Simple
- Easy
- Pleasant
- Challenging (Correct answer)
Correct answer: Challenging
'Challenging' has a similar meaning to 'difficult'. The others are opposite or unrelated in meaning.
Question 47: A car depreciates on a reducing-balance basis at 15% per year. If it is worth R200 000 now, what is it worth after 1 year?
- R170 000 (Correct answer)
- R150 000
- R230 000
- R185 000
Correct answer: R170 000
Reducing balance: value = 200000 × (1 - 0.15) = 200000 × 0.85 = R170 000.
Question 48: What is the term for the rapid, unplanned expansion of informal settlements on the outskirts of cities?
- Urban sprawl (Correct answer)
- Gentrification
- Suburbanisation
- Counter-urbanisation
Correct answer: Urban sprawl
Urban sprawl refers to the uncontrolled spread of urban development, including informal settlements, beyond established city boundaries into surrounding areas.
Question 49: What is the SI unit of force?
- Newton (Correct answer)
- Watt
- Joule
- Pascal
Correct answer: Newton
Force is measured in newtons (N), defined as the force that gives a 1 kg mass an acceleration of 1 m·s⁻².
Question 50: Which part of the human eye controls the amount of light entering it?
- Lens
- Iris (Correct answer)
- Retina
- Cornea
Correct answer: Iris
The iris adjusts the size of the pupil to control how much light enters the eye.
Question 51: What is the term for the number of people per unit area, usually expressed as people per square kilometre?
- Population size
- Population density (Correct answer)
- Population distribution
- Population growth rate
Correct answer: Population density
Population density is calculated by dividing the total population by the total land area, indicating how crowded a region is.
Question 52: Change to reported speech: He said, 'I am tired.' becomes: He said that he _____ tired.
- is
- were
- was (Correct answer)
- am
Correct answer: was
In reported speech the present tense 'am' shifts back to the past tense 'was'.
Question 53: Which of the following is a PUSH factor that drives people to leave their home area?
- Drought and crop failure (Correct answer)
- Better job opportunities in cities
- Improved schools elsewhere
- Higher wages in urban areas
Correct answer: Drought and crop failure
Push factors are negative conditions in a person's current location — such as drought, unemployment, or conflict — that force them to move away.
Question 54: Calculate the work done when a force of 20 N moves an object 4 m in the direction of the force.
- 80 J (Correct answer)
- 5 J
- 24 J
- 16 J
Correct answer: 80 J
Work = force × distance = 20 × 4 = 80 J.
Question 55: The median of the data set 4; 7; 9; 12; 18 is which value?
- 10
- 9 (Correct answer)
- 7
- 12
Correct answer: 9
The median is the middle value of an ordered list. With five values, the third value is the median: 9.
Question 56: A learner scored 36 out of 50 in a test. What is this as a percentage?
- 64%
- 68%
- 72% (Correct answer)
- 76%
Correct answer: 72%
Percentage = (36 ÷ 50) × 100 = 72%.
Question 57: What is the gradient of the line joining the points A(2; 3) and B(6; 11)?
- 2 (Correct answer)
- 8
- 1/2
- 4
Correct answer: 2
Gradient m = (y2 - y1)/(x2 - x1) = (11 - 3)/(6 - 2) = 8/4 = 2.
Question 58: What is the acceleration due to gravity near the Earth's surface (used in Grade 12)?
- 9.8 m·s⁻² (Correct answer)
- 1.8 m·s⁻²
- 10 m·s⁻¹
- 98 m·s⁻²
Correct answer: 9.8 m·s⁻²
The value of gravitational acceleration used in the NSC syllabus is 9.8 m·s⁻² directed downwards.
Question 59: What is the term for the process of wearing away and transporting surface material by agents such as water, wind, and ice?
- Erosion (Correct answer)
- Deposition
- Infiltration
- Weathering
Correct answer: Erosion
Erosion involves both the detachment and removal of rock and soil particles from the Earth's surface by water, wind, glaciers, or waves.
Question 60: Which type of rock is formed when magma cools and solidifies, either below or on the Earth's surface?
- Sedimentary
- Metamorphic
- Organic
- Igneous (Correct answer)
Correct answer: Igneous
Igneous rocks form from the cooling and crystallisation of molten magma; intrusive types (e.g. granite) cool slowly underground, while extrusive types (e.g. basalt) cool quickly on the surface.
Question 61: A business buys equipment for cash. How are the accounts affected?
- Assets increase and liabilities increase
- Owner's equity increases
- One asset increases and another asset decreases (Correct answer)
- Liabilities decrease and equity decreases
Correct answer: One asset increases and another asset decreases
Equipment (asset) increases while Bank (asset) decreases by the same amount, so total assets are unchanged.
Question 62: Which document is issued to a debtor when goods are returned to the business?
- Debit note
- Receipt
- Invoice
- Credit note (Correct answer)
Correct answer: Credit note
A credit note is issued by the seller to a debtor (customer) to record goods returned, reducing the amount owed.
Question 63: What is the past tense of the verb 'to bring'?
- Brung
- Brang
- Brought (Correct answer)
- Bringed
Correct answer: Brought
'Bring' is an irregular verb; its past tense is 'brought'.
Question 64: The exchange rate is R18 to US$1. How many rands do you get for US$25?
- R450 (Correct answer)
- R180
- R430
- R225
Correct answer: R450
Rands = 25 × R18 = R450.
Question 65: What is the term for the decrease in value of a non-current asset over its useful life?
- Drawings
- Depreciation (Correct answer)
- Dividends
- Discount
Correct answer: Depreciation
Depreciation is the systematic allocation of the cost of a tangible asset over its useful life.
Question 66: On a topographic map, what does a contour line represent?
- A line connecting points of equal altitude above sea level (Correct answer)
- A line connecting points of equal rainfall
- A line connecting points of equal temperature
- A provincial boundary line
Correct answer: A line connecting points of equal altitude above sea level
Contour lines join all points on a map that are at the same height (altitude) above sea level, allowing the shape of the terrain to be read from a flat map.
Question 67: Solve for x: log_2(x) = 5.
- 32 (Correct answer)
- 16
- 10
- 25
Correct answer: 32
log_2(x) = 5 means 2^5 = x, so x = 32.
Question 68: Natural selection was proposed as a mechanism of evolution by which scientist?
- Charles Darwin (Correct answer)
- Robert Hooke
- Gregor Mendel
- Louis Pasteur
Correct answer: Charles Darwin
Charles Darwin proposed natural selection as the mechanism driving evolution in 'On the Origin of Species'.
Question 69: Simplify: (x^3 × x^4) / x^2.
- x^6
- x^5 (Correct answer)
- x^9
- x^24
Correct answer: x^5
Add exponents when multiplying and subtract when dividing: x^(3+4-2) = x^5.
National Senior Certificate (NSC) — Matric
The South African National Senior Certificate (NSC) is the Grade 12 school-leaving qualification assessed by the Department of Basic Education, covering compulsory and elective subjects including Languages, Mathematics/Mathematical Literacy, Sciences, and Social Sciences.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds